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12.090 流体运动、泥沙输运和电流生成沉积结构导论（MIT）12.090 Introduction to Fluid Motions, Sediment Transport, and Current-Generated Sedimentary Structures (MIT) |
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| 课程网址: | http://ocw.mit.edu/courses/earth-atmospheric-and-planetary-scienc... |
| 主讲教师: | John Southard |
| 开课单位: | 麻省理工学院 |
| 开课时间: | 信息不详。欢迎您在右侧留言补充。 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | This course begins by introducing students to aspects of fluid dynamics relevant to transport and deposition of particulate sedimentary materials. Emphasis is on the structure of turbulent shear flows and the forces exerted by fluid motions on bed of loosed sediment. With fluid dynamics as background, the course deals with sediment movement as bed load and suspended load, and with the geometry, kinematics, and dynamics of ripple and dune bed forms. The course concludes with basic material on the styles of current-generated primary sedimentary structures, with emphasis on cross stratification. |
| 关 键 词: | 地质; 岩石; 沉积; 流体运动; 泥沙输移; 沉积结构; 粘度; 扩散; 湍流; 边界层; 层流; 应力; 剪切应力; 振荡流; 组合流; 风脉动; 风成沙丘; 交叉分层; 平面层压 |
| 课程来源: | 麻省理工学院公开课 |
| 最后编审: | 2018-05-31：cmh |
| 阅读次数: | 64 |